Longines La Grande Classique L4.709.1.57.7 ncth1791849 Exhibiting a black round dial

Exhibiting a black round dial

Antiqued GP

the black rectangular dial features plain two hands and Roman numerals to facilitate reading ease

The bezel is set with shimmering pavé

PPG Heart Rate Battery: 24 Hr + multi day Extended Mode **Varies based on usage and after updates install**

Longines La Grande Classique L4.709.1.57.7 ncth1791849 Exhibiting a black round dialThe machinery inside a watch that keeps things ticking is called the movement or a calibre. A synonym of size, the word calibre, first used as a watchmaking term in 1715, originally referred to the build of a watch movementthe layout, dimensions, shape and size of the wheels, barrels, bridges and so on. Today the word is a substitute for movement, the complete mechanism with the mainspring, escape wheel, bridges, gear train, and other components,